Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Zitierstil

Haszeldine, R. S., & Haszeldine, R. N. (2003). Neolithic, natural, or new? Critical observations of cup and ring petroglyphs in Langdale, Cumbria.

Chicago Zitierstil

Haszeldine, R. S., and R. N. Haszeldine. Neolithic, Natural, or New? Critical Observations of Cup and Ring Petroglyphs in Langdale, Cumbria. 2003.

MLA Zitierstil

Haszeldine, R. S., and R. N. Haszeldine. Neolithic, Natural, or New? Critical Observations of Cup and Ring Petroglyphs in Langdale, Cumbria. 2003.